VAWT rotor (or use as wind art)
thingiverse
Attached to a small PM motor, this system can produce significantly more energy than an equivalent sized solar panel. Alternatively, just thread a fishing line through the central opening and use as a decorative piece, which passes right through its 2mm hole. Either way, it has a sleek design and is completely silent or unobtrusive.
Download Model from thingiverse
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